1; RUN: llc < %s -mtriple=x86_64-unknown-unknown -march=x86-64 -mcpu=nehalem | FileCheck %s
2
3define <4 x float> @a(<4 x float>* %y) nounwind {
4; CHECK-LABEL: a:
5; CHECK:       # BB#0:
6; CHECK-NEXT:    movups (%rdi), %xmm0
7; CHECK-NEXT:    shufps {{.*#+}} xmm0 = xmm0[3,2,1,0]
8; CHECK-NEXT:    retq
9  %x = load <4 x float>* %y, align 4
10  %a = extractelement <4 x float> %x, i32 0
11  %b = extractelement <4 x float> %x, i32 1
12  %c = extractelement <4 x float> %x, i32 2
13  %d = extractelement <4 x float> %x, i32 3
14  %p = insertelement <4 x float> undef, float %d, i32 0
15  %q = insertelement <4 x float> %p, float %c, i32 1
16  %r = insertelement <4 x float> %q, float %b, i32 2
17  %s = insertelement <4 x float> %r, float %a, i32 3
18  ret <4 x float> %s
19}
20
21define <4 x float> @b(<4 x float>* %y, <4 x float> %z) nounwind {
22; CHECK-LABEL: b:
23; CHECK:       # BB#0:
24; CHECK-NEXT:    movups (%rdi), %xmm1
25; CHECK-NEXT:    unpckhps {{.*#+}} xmm0 = xmm0[2],xmm1[2],xmm0[3],xmm1[3]
26; CHECK-NEXT:    retq
27  %x = load <4 x float>* %y, align 4
28  %a = extractelement <4 x float> %x, i32 2
29  %b = extractelement <4 x float> %x, i32 3
30  %c = extractelement <4 x float> %z, i32 2
31  %d = extractelement <4 x float> %z, i32 3
32  %p = insertelement <4 x float> undef, float %c, i32 0
33  %q = insertelement <4 x float> %p, float %a, i32 1
34  %r = insertelement <4 x float> %q, float %d, i32 2
35  %s = insertelement <4 x float> %r, float %b, i32 3
36  ret <4 x float> %s
37}
38
39define <2 x double> @c(<2 x double>* %y) nounwind {
40; CHECK-LABEL: c:
41; CHECK:       # BB#0:
42; CHECK-NEXT:    movupd (%rdi), %xmm0
43; CHECK-NEXT:    shufpd {{.*#+}} xmm0 = xmm0[1,0]
44; CHECK-NEXT:    retq
45  %x = load <2 x double>* %y, align 8
46  %a = extractelement <2 x double> %x, i32 0
47  %c = extractelement <2 x double> %x, i32 1
48  %p = insertelement <2 x double> undef, double %c, i32 0
49  %r = insertelement <2 x double> %p, double %a, i32 1
50  ret <2 x double> %r
51}
52
53define <2 x double> @d(<2 x double>* %y, <2 x double> %z) nounwind {
54; CHECK-LABEL: d:
55; CHECK:       # BB#0:
56; CHECK-NEXT:    movupd (%rdi), %xmm1
57; CHECK-NEXT:    unpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
58; CHECK-NEXT:    retq
59  %x = load <2 x double>* %y, align 8
60  %a = extractelement <2 x double> %x, i32 1
61  %c = extractelement <2 x double> %z, i32 1
62  %p = insertelement <2 x double> undef, double %c, i32 0
63  %r = insertelement <2 x double> %p, double %a, i32 1
64  ret <2 x double> %r
65}
66